adjust devcontainer setup

Author: matthiaszimmermann

.devcontainer/Dockerfile

@@ -1,8 +1,15 @@
 FROM python:3.12-slim-bookworm
 
 # Install system dependencies
+# Note: build-essential is required for ARM64 architectures to compile
+# Python packages that don't have pre-built wheels (like ruff, maturin, etc.)
+# docker.io provides the Docker CLI for testcontainers
+# openssh-client provides ssh for git operations over SSH
 RUN apt-get update && apt-get install -y \
     --no-install-recommends \
+    build-essential \
+    docker.io \
+    openssh-client \
     nano \
     curl \
     iputils-ping \

.devcontainer/devcontainer.json

@@ -9,6 +9,9 @@
     "mounts": [
         "source=/var/run/docker.sock,target=/var/run/docker.sock,type=bind"
     ],
+    "containerEnv": {
+        "TESTCONTAINERS_CONNECTION_MODE": "bridge_ip"
+    },
     "customizations": {
         "vscode": {
             "settings": {

.pre-commit-config.yaml

@@ -10,20 +10,6 @@ repos:
       # Run the formatter
       - id: ruff-format
 
-  # MyPy for type checking
-  - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.18.2
-    hooks:
-      - id: mypy
-        additional_dependencies:
-          - types-requests
-          - pytest
-          - testcontainers
-          - web3==7.13.0
-        args: [--strict]
-        # Only check source files, not tests (to avoid import issues)
-        files: ^src/
-
   # Basic hooks for file quality
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v6.0.0

scripts/check-all.sh

@@ -7,6 +7,9 @@ set -e
 echo "🔍 Running pre-commit checks..."
 uv run --group lint pre-commit run --all-files
 
+echo "🔬 Running type checks with mypy..."
+uv run --group lint mypy --strict src/
+
 echo "🧪 Running tests..."
 uv run --group test pytest tests/ -n auto -v